In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 

[header] How to read runes [title] Buy a set of rune stones at a local occult shop or online. [step] Rune stones are usually sold in sets of 24-33 stones that are all the same size and shape. The stones are made of wood or stone and will have symbols printed on them. <sep> (A) There is no cost to purchase runes from an occult shop or online. Check on the things you want to buy, but remember that rune stones will wear down with time, so it's better to buy them at a local local bookstore or read runes at home. (B) The stones should also come with a cloth bag that you can use during the reading and to store the stones when you are not using them. [substeps] Rune stones made of stone may be more expensive than stones made of wood, depending on where you buy them from. (C) There are also a number of runes printed on them that can help guide you for the correct runes or lead to a good enough rune. Rune stones are also sold as rune animus stones as well as ley stone (or mana stone) stones. (D) Look for rune stones that take on a symbol. Rune stones are relatively rare and expensive, so check with your local shop or online to see which rune stones are safe for you.
B